1 The Design-Builder represents that it is an independent contractor and that it is familiar with the type of work it is undertaking. 2.2. Our Chicago business attorneys handle a range of business contracts, from contract review and development, to negotiation and enforcement.You want to design and build, not get 'hung up' with contracts. This agreement allows you to create customized terms and conditions for different types of design engagements. Contracts and Forms for Design Professionals. Procurement Forms and Documents. A consulting agreement establishes the terms of a relationship between a consultant and the client, whether a business or individual. The Parties to this contract are the State of Illinois acting through the undersigned Agency (collectively the State) and the Vendor. Build contract is a legal document and project delivery system often used in construction. Click here to learn how they work and their benefits.